Hemoglobin is a protein present in the red blood cells. The red color pigmentation of the blood is because of hemoglobin. Hemoglobin is the primary oxygen-carrying protein that circulates throughout the blood.

1. Hemoglobin and Level of
Hemoglobin
By SeekHealthZ

2. Hemoglobin
• It is a protein present in the red
blood cells.
• The red color pigmentation of the
blood is because of hemoglobin.
• Also, called has metalloprotein.
Since it contains co-factor or
supporting element.
• Complete Blood Count (CBC) is
blood test used to test level of
hemoglobin.

3. Normal levels of hemoglobin
Normal levels of hemoglobin ( grams present per
deciliter)
Newborns 17 to 21 gm/dL
One month old 11 to 14 gm/dL
Children 12 to 14 gm/dL
Male 14 to 18 gm/dL
Female 12 to 16 gm/dL
Men above 40 years or above 12.4 to 14.9 gm/dL
Women above 40 years or above 11.7 to 13.8 gm/dL

4. Low Hemoglobin level
• This conditions is also called as “Anemia”.
• Caused by low red blood cells count (RBC)
Reference ranges of Hemoglobin levels
Men < 13gm/100ml
Women < 11.5gm/100ml

5. Causes of Low hemoglobin level
• Hemolysis
• Liver cirrhosis
• Thalassemia
• Blood donation
• Hormonal imbalance
• Vitamin/Iron deficiency
• Autoimmune hemolytic anemia
• Bleeding resulting from an injury

6. Low hemoglobin level Symptoms
• Drowsiness
• Headaches
• Shortness of breath
• Pale or yellow skin
• Brittle nails
• Joint pains
• Unable to do physical activities

7. High Hemoglobin levels
• Note people who live at higher
altitudes have this condition.
• Usually seen in chain smokers.

8. Causes of High Hemoglobin levels
• Heart diseases
• Lung disorders
• Polycythemia
• Bone marrow defects
• Liver Diseases like Emphysem
• Certain blood cancers
• Congenital heart diseases

9. High Hemoglobin level Symptoms
• Frequent urination
• Bluish discoloration of hands and legs which is termed as Peripheral
cyanosis
• The limitation of the blood flow to the tissues leads to symptoms
similar to Anemia

10. How to reduce Hemoglobin levels
Blood donation
• Prefer low altitudes
• Increase physical activity
• Quit Smoking
• Sufficient hydration
• Phlebotomy
• Avoid vitamin C and iron-enriched foods
• Avoid multivitamins and iron supplements